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华北珍珠梅是北京和东北各省城市街道两旁常见到一种灌木,它树形优美,枝叶茂密。5—10月,在当年生枝上部形成大的圆锥花序,珍珠样的小白花给人以立体美感。这就是华北珍珠梅(Sorbaria kirilowii)。华北珍珠梅栽培容易,抗病虫害,它能散发出挥发性的植物杀菌素,成为净化环境的优良树种。已知它对金黄葡萄球菌、绿脓杆菌的杀菌效果达100%,对于结核杆菌致病力最强的牛型和一般的土壤型抗酸结核杆菌也都具有非常突出的杀伤作用,而且效果稳定。根据比较试验,珍珠梅叶片的杀菌物质最多,作用最大,嫩枝次之,花最小。叶的挥发性物质,还有杀灭苍蝇的能力。采鲜叶5克制成
North China pearl plum is common in both Beijing and northeastern provinces of the city streets of a shrub, it has a beautiful tree, dense foliage. From May to October, a large panicle was formed in the upper part of the branches in that year, and the pearl-like white flowers gave a three-dimensional beauty. This is Sorbaria kirilowii. Pear cultivated in North China is easy, pest-resistant, it can emit volatile phytoncide, a fine tree species to purify the environment. Known to Staphylococcus aureus, Pseudomonas aeruginosa bactericidal effect of 100%, the most virulent strains of Mycobacterium tuberculosis and general soil-based Mycobacterium tuberculosis also have a very prominent killing effect, and the effect is stable . According to the comparative test, the plum plum leaves the most bactericidal substances, the role of the largest, followed by shoots, spend the smallest. Volatile leaves, as well as the ability to kill flies. Fresh leaves made of 5 grams made